213132021213 has 16 divisors (see below), whose sum is σ = 284522901696. Its totient is φ = 141914672640.

The previous prime is 213132021211. The next prime is 213132021227. The reversal of 213132021213 is 312120231312.

It is not a de Polignac number, because 213132021213 - 2¹ = 213132021211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213132021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10890445 + ... + 10909997.

It is an arithmetic number, because the mean of its divisors is an integer number (17782681356).

Almost surely, 2^213132021213 is an apocalyptic number.

It is an amenable number.

213132021213 is a deficient number, since it is larger than the sum of its proper divisors (71390880483).

213132021213 is a wasteful number, since it uses less digits than its factorization.

213132021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23804.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213132021213 its reverse (312120231312), we get a palindrome (525252252525).

The spelling of 213132021213 in words is "two hundred thirteen billion, one hundred thirty-two million, twenty-one thousand, two hundred thirteen".